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D♭ Dominant 7th (♭5) :: D♭ F G B

A
E
C
G
♭5
3
D♭
♭7
♭5
D♭
♭7
3
D♭
♭7
♭5
3
D♭
♭5
3
♭7
⬤ ⬤
♭5
⬤ ⬤
D♭ B
B Sus 2nd :: B C♯ F♯

A
E
C
G
2
B
5
2
B
5
2
B
5
2
B
5
⬤ ⬤
⬤ ⬤